Watch frame



FIG. 1 is a top plan view of a watch frame, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevation of FIG. 1;

FIG. 4 is a left side elevation of FIG. 1; and

FIG. 5 is a rear elevation of FIG. 1. 

The ornamental design for a watch frame, as shown and described. 